Chemical composition



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1,633,213 H UNITED STATESP'ATENT OFFICE.

Patented June 21, 1927.

JOSEPH FRANCIS KING, 0E BROOKLYN, NEw YORK, ASSIGNOR 'ro HERMAN METZ,

on NEW o x, Y. CHEMICAL comrosrrroNi Ho Drawing. Application filed January 19, 1926. Serial No. 82,348.

This invention relates to a product and 25 pounds aluminum sulphate powder process for cleaning, whitening, filling and (free of iron). weighting fabric materials. 75 pounds Epsom salts (crystals).

In the usual methods now employed for 20 pounds denatured alcohol.

5 weighting, filling, cleaning and whitening In this composition are included certain 60 gray materials, it is necessary to preliminaringredients or agents which are used as ily bleach the materials with chlorine gas or detergents for freelng the materials of resin' peroxide which acts upon the iron tanks and ous matters and impurities such as specks, causes rust stains, so that in the separate shives and motes, an for filling and weightand distinct further steps of the process and ing. The filling and weighting material 65 treatment of the goods, these. stains will such as cornstarch, denatured alcohol and be.maintained so that when the goods are Epsom salts may be omitted entirely or in d d, i ht d d fill d i succeeding part when the materials to be treated are erations, they will materially affect the requir d to be of a softer texture, and in r e quality of the goods. Furthermore where such a case the quantity of sodium triphos- 70 the steps are carried out separately without phate 1 s increased. When the weighting suflicient active ingredients to cause the and fill ng materials are to be omitted, the weighting and filling materials to enter the remalnmg lngredlents are used in the folfibers, the weighting materials will be merelowing proportions:

1y disposed upon the surface and therefore 300 pounds sodium perborate. 75

readily removed during subsequent washing. 125' poun s sodlum triphosphate (crys- 1 'An object of the invention is the provision a1S)- of a product adapted to be placed in solu- 50 p nds E som s'alts (crystals). tion for use in a wood or iron kier for thorp un s aluminum sulphate powder 25 oughly removing foreign matter, and for (free of iron). 80 whitening, filling and weighting such ma: 3 AS all example of the treatment for one- I t terials as rayon, cotton, wool, silk, linen and hundred (100) pounds of the materials of other plant fibrous materials standard base, three to four per cent of the 'A further object of the invention is the first mentioned composition is dissolved into provision ofa process in which the fabric I a ninety-SIX to ninety-seven percent of water 85 materials are cleaned, whitened, weighted 'solutlon. and filled in a single operation with in reh m r l havi g e n P c n t i dients which will not cause rust stains, ut n C ld Water is run through the tank in t which will thoroughly impregnate the fiber h usual nner and then the previous] so that the filling and weighting materials dissolved solution is forced into the tanl; 90

are thoroughly embedded, and therefore will after the Cold. Water has n drained fi, not be readily removed for subsequent washend-the Solution With he goods is boiled ing. I from four to six hours under a pressure. W

a v This invention i will be best understood It has been the practice to fill, weight, and i 40 from a consideration of the followin 'desize rayon and'other cotton materials in the as tailed description forming a part of the n e i So h t the materials are specification; nevertheless it is to be underg v n 51 f -gltlve or false weight since the stood. that the invention is not confined to gr d nts re merely deposited on the sur the disclosure, being susceptible of s h face of the material and not into the fibers changes and modifications which shall de- SO that the usual artificial finishing is lost. 11%

fine no material departure from the salient i}: y particular method of placing a1? features of theinvention as expressed in the o t e ng dients and of the'particular typ appended claims. 1nthe kier solution and in boiling ther. In carrying out my process, I employ the from four to six hours, goods of a superior P following ingredients in approximately the quality is had, and in which the fibers of pro ortions noted, for pro ucing five-hunthe materials a impregnated withthe dre (500) (pounds of the materials: weighting and filling ingredients, and it is- 300 poun s sodium perborate. unnecessary by this method to give any-pm, 50 poundscornstarch pure white). vious treatments, the thorough im regnau 30 pounds sodium trip osphate (crystals); tion of the materials being due to e high 0 I5 20 pounds denatured alcohol.

2. A composition of the character described, comprising 12 parts by weight of sodium perborate, 1.2 parts sodium triphosphate, 3 parts Epsom salts and 1 part of aluminum sulphate powder.

3. A process for making a cleaning, filling, and weighting solution which comprises mixing 300 pounds sodium perborate, 50 pounds cornstarch, 30 pounds sodium triphosphate, 25 pounds aluminum sulphate powder, and 75 pounds Epsom salts and 20 pounds denatured alcohol, dissolving in water a quantity of the materials which represent from 3 to 4% of the weight of the material to be treated.

JQSEPH FRANCIS KING. 

